<template>
  <div class="app-container">
    <el-form
      :model="queryParams"
      ref="queryForm"
      size="small"
      :inline="true"
      v-show="showSearch"
      label-width="68px"
    >
      <el-form-item label="新闻标题" prop="newsTitle">
        <el-input
          v-model="queryParams.newsTitle"
          placeholder="请输入新闻标题"
          clearable
          @keyup.enter.native="handleQuery"
        />
      </el-form-item>
      <el-form-item label="新闻内容" prop="newsDesc">
        <el-input
          v-model="queryParams.newsDesc"
          placeholder="请输入新闻内容"
          clearable
          @keyup.enter.native="handleQuery"
        />
      </el-form-item>
      <el-form-item label="新闻类型" prop="newsTypeClassId">
        <el-select
          clearable
          @keyup.enter.native="handleQuery"
          v-model="queryParams.newsTypeClassId"
          placeholder="请选择新闻类型"
        >
          <el-option
            v-for="item in newsTypeList"
            :label="item.label"
            :value="item.value"
          ></el-option>
        </el-select>
      </el-form-item>

      <el-form-item label="是否置顶" prop="top">
        <el-select
          v-model="queryParams.top"
          clearable
          @keyup.enter.native="handleQuery"
          placeholder="请选择是否置顶"
        >
          <el-option label="是" value="1"></el-option>
          <el-option label="否" value="0"></el-option>
        </el-select>
      </el-form-item>

      <el-form-item>
        <el-button type="primary" icon="el-icon-search" size="mini" @click="handleQuery"
          >搜索</el-button
        >
        <el-button icon="el-icon-refresh" size="mini" @click="resetQuery">重置</el-button>
      </el-form-item>
    </el-form>

    <el-row :gutter="10" class="mb8">
      <el-col :span="1.5">
        <el-button
          type="primary"
          plain
          icon="el-icon-plus"
          size="mini"
          @click="handleAdd"
          v-hasPermi="['news:news:add']"
          >新增</el-button
        >
      </el-col>
      <el-col :span="1.5">
        <el-button
          type="success"
          plain
          icon="el-icon-edit"
          size="mini"
          :disabled="single"
          @click="handleUpdate"
          v-hasPermi="['news:news:edit']"
          >修改</el-button
        >
      </el-col>
      <el-col :span="1.5">
        <el-button
          type="danger"
          plain
          icon="el-icon-delete"
          size="mini"
          :disabled="multiple"
          @click="handleDelete"
          v-hasPermi="['news:news:remove']"
          >删除</el-button
        >
      </el-col>
      <el-col :span="1.5">
        <el-button
          type="warning"
          plain
          icon="el-icon-download"
          size="mini"
          @click="handleExport"
          v-hasPermi="['news:news:export']"
          >导出</el-button
        >
      </el-col>
      <right-toolbar :showSearch.sync="showSearch" @queryTable="getList"></right-toolbar>
    </el-row>

    <el-table
      v-loading="loading"
      :data="newsList"
      @selection-change="handleSelectionChange"
    >
      <el-table-column type="selection" width="55" align="center" />
      <!-- <el-table-column label="编号" align="center" prop="id" /> -->
      <el-table-column
        label="新闻标题"
        :show-overflow-tooltip="true"
        align="center"
        prop="newsTitle"
      />
      <el-table-column label="标题图片" align="center" prop="newsImage" width="100">
        <template slot-scope="scope">
          <image-preview :src="scope.row.newsImage" :width="50" :height="50" />
        </template>
      </el-table-column>

      <el-table-column
        label="新闻内容"
        :show-overflow-tooltip="true"
        align="center"
        prop="newsDesc"
      />
      <el-table-column label="新闻类型" align="center" prop="typeName" />

      <el-table-column label="置顶" prop="top">
        <template slot-scope="scope">
          <span v-if="scope.row.top == 0">否</span>
          <span v-if="scope.row.top == 1">是</span>
        </template>
      </el-table-column>

      <el-table-column label="操作" align="center" class-name="small-padding fixed-width">
        <template slot-scope="scope">
          <el-button
            size="mini"
            type="text"
            icon="el-icon-edit"
            @click="handleUpdate(scope.row)"
            v-hasPermi="['news:news:edit']"
            >修改</el-button
          >
          <el-button
            size="mini"
            type="text"
            icon="el-icon-delete"
            @click="handleDelete(scope.row)"
            v-hasPermi="['news:news:remove']"
            >删除</el-button
          >
        </template>
      </el-table-column>
    </el-table>

    <pagination
      v-show="total > 0"
      :total="total"
      :page.sync="queryParams.pageNum"
      :limit.sync="queryParams.pageSize"
      @pagination="getList"
    />

    <!-- 添加或修改新闻对话框 -->
    <el-dialog :title="title" :visible.sync="open" width="1000px" append-to-body>
      <el-form ref="form" :model="form" :rules="rules" label-width="80px">
        <!-- <el-row>
          <el-col :span="10">
            <el-form-item label="新闻标题" prop="newsTitle">
              <el-input v-model="form.newsTitle" placeholder="请输入新闻标题" />
            </el-form-item>
          </el-col>
        </el-row> -->
        <el-row :gutter="1">
          <el-col :span="7">
            <el-form-item label="新闻标题" prop="newsTitle">
              <el-input
                v-model="form.newsTitle"
                style="width: 200px"
                placeholder="请输入新闻标题"
              />
            </el-form-item>
          </el-col>
          <el-col :span="5">
            <el-form-item label="新闻类型" prop="typeName">
              <el-select placeholder="请选择新闻类型" v-model="form.newsTypeClassId">
                <el-option
                  v-for="item in newsTypeList"
                  :label="item.label"
                  :value="item.value"
                />
              </el-select>
            </el-form-item>
          </el-col>
          <el-col :span="5">
            <el-form-item label="是否置顶" :prop="isTop">
              <el-select v-model="form.top" placeholder="是否置顶">
                <el-option label="是" :value="1"></el-option>
                <el-option label="否" :value="0"></el-option>
              </el-select>
            </el-form-item>
          </el-col>
        </el-row>
        <el-form-item label="标题图片" prop="newsImage">
          <image-upload v-model="form.newsImage" />
        </el-form-item>
        <el-form-item label="新闻内容" prop="newsDesc">
          <editor v-model="form.newsDesc" />
        </el-form-item>
      </el-form>
      <div slot="footer" class="dialog-footer">
        <el-button type="primary" @click="submitForm">确 定</el-button>
        <el-button @click="cancel">取 消</el-button>
      </div>
    </el-dialog>
  </div>
</template>

<script>
import {
  listType,
  listNews,
  getNews,
  delNews,
  addNews,
  updateNews,
} from "@/api/news/news";

export default {
  name: "News",
  data() {
    return {
      // 遮罩层
      loading: true,
      // 选中数组
      ids: [],
      // 非单个禁用
      single: true,
      // 非多个禁用
      multiple: true,
      // 显示搜索条件
      showSearch: true,
      // 总条数
      total: 0,
      // 新闻表格数据
      newsList: [],
      // 弹出层标题
      title: "",
      // 是否显示弹出层
      open: false,
      // 查询参数
      queryParams: {
        pageNum: 1,
        pageSize: 10,
        newsTitle: null,
        newsImage: null,
        newsDesc: null,
        newsTypeClassId: null,
        createBy: null,
        top: null,
        createTime: null,
        updateBy: null,
        updateTime: null,
        version: null,
      },
      //新闻类型列表
      newsTypeList: [],
      typeName: null,
      isTop: null,
      // 表单参数
      form: {},
      // 表单校验
      rules: {
        newsTitle: [{ required: true, message: "新闻标题不能为空", trigger: "blur" }],
        newsImage: [{ required: true, message: "新闻图片不能为空", trigger: "blur" }],
        newsTypeClassId: [
          { required: true, message: "新闻类型ID不能为空", trigger: "blur" },
        ],
        createBy: [{ required: true, message: "创建者不能为空", trigger: "blur" }],
      },
    };
  },
  created() {
    this.getList();
    listType().then((res) => {
      this.newsTypeList = res.data;
      console.log(this.newsTypeList);
    });
  },
  methods: {
    /** 查询新闻列表 */
    getList() {
      this.loading = true;
      listNews(this.queryParams).then((response) => {
        this.newsList = response.rows;
        this.total = response.total;
        this.loading = false;
      });
    },
    // 取消按钮
    cancel() {
      this.open = false;
      this.reset();
    },
    // 表单重置
    reset() {
      this.form = {
        id: null,
        newsTitle: null,
        newsImage: null,
        newsDesc: null,
        newsTypeClassId: null,
        createBy: null,
        top: null,
        createTime: null,
        updateBy: null,
        updateTime: null,
        remark: null,
        delFlag: null,
        version: null,
      };
      this.resetForm("form");
    },
    /** 搜索按钮操作 */
    handleQuery() {
      this.queryParams.pageNum = 1;
      this.getList();
    },
    /** 重置按钮操作 */
    resetQuery() {
      this.resetForm("queryForm");
      this.handleQuery();
    },
    // 多选框选中数据
    handleSelectionChange(selection) {
      this.ids = selection.map((item) => item.id);
      this.single = selection.length !== 1;
      this.multiple = !selection.length;
    },
    /** 新增按钮操作 */
    handleAdd() {
      this.reset();
      this.open = true;
      this.title = "添加新闻";
    },
    /** 修改按钮操作 */
    handleUpdate(row) {
      this.reset();
      const id = row.id || this.ids;
      getNews(id).then((response) => {
        this.form = response.data;
        console.log(this.form);
        this.typeName = response.data.typeName;
        this.isTop = response.data.isTop;
        this.open = true;
        this.title = "修改新闻";
      });
    },
    /** 提交按钮 */
    submitForm() {
      this.$refs["form"].validate((valid) => {
        if (valid) {
          if (this.form.id != null) {
            console.log(this.form);
            updateNews(this.form).then((response) => {
              this.$modal.msgSuccess("修改成功");
              this.open = false;
              this.getList();
            });
          } else {
            addNews(this.form).then((response) => {
              this.$modal.msgSuccess("新增成功");
              this.open = false;
              this.getList();
            });
          }
        }
      });
    },
    /** 删除按钮操作 */
    handleDelete(row) {
      const ids = row.id || this.ids;
      this.$modal
        .confirm('是否确认删除新闻编号为"' + ids + '"的数据项？')
        .then(function () {
          return delNews(ids);
        })
        .then(() => {
          this.getList();
          this.$modal.msgSuccess("删除成功");
        })
        .catch(() => {});
    },
    /** 导出按钮操作 */
    handleExport() {
      this.download(
        "news/news/export",
        {
          ...this.queryParams,
        },
        `news_${new Date().getTime()}.xlsx`
      );
    },
  },
};
</script>
